Round Details
February 15, 2026 at 12:00 PM UTC
Scenario: Type 2 Diabetes - Metformin
Patient John Smith is a 45-year-old male who was diagnosed with Type 2 Diabetes Mellitus last month. His physician prescribed Metformin 500mg to be taken twice daily with meals. His latest HbA1c was 7.8%. He has no known drug allergies and his BMI is 28.
How did the LLMs do?
Same LLM Tests
Reconstructed text
John Smith is a 46-year-old male with no known drug allergies. He has an active diagnosis of Type 2 diabetes mellitus. Recent clinical observations show a Hemoglobin A1c level of 7.8% and a Body Mass Index (BMI) of 28 kg/m2. To manage his condition, he is currently prescribed Metformin hydrochloride 500 mg oral tablets, with instructions to take 500mg twice daily with meals.
Comparison4 issues
Missing information:
- diagnosis was made last month timing of diagnosis not mentioned
- diagnosis timeframe of last month
Hallucinated:
- age changed from 45 to 46
- added hydrochloride oral tablets to the metformin description
Reconstructed text
John Smith, a 45-year-old male, has been diagnosed with Type 2 Diabetes Mellitus, confirmed and active as of April 1, 2023. His most recent Hemoglobin A1c level, measured on the same date, was 7.8%. Additionally, his Body Mass Index (BMI) was recorded at 28 kg/m². Mr. Smith has no known drug allergies. He has been prescribed Metformin 500mg, to be taken orally twice daily with meals. This medication regimen is currently active.
Comparison7 issues
Missing information:
- timing of diagnosis stated as last month
Hallucinated:
- hba1c measurement date added measured on the same date april 1 2023 original gives no measurement date
- specific diagnosis date of april 1 2023 fabricated original only states last month
- route of administration orally added not specified in original
- diagnosis datestatus added confirmed and active as of april 1 2023 no specific date or activestatus statement in original
- medication status added metformin regimen described as currently active not stated in original
- diagnosis date of april 1 2023 added
Reconstructed text
John Smith is a 45-year-old male with no known drug allergies. He was diagnosed with Type 2 diabetes mellitus without complications, with an onset date of May 1, 2025. The diagnosis has been confirmed and is currently active.
Laboratory and vital sign results obtained on June 1, 2025, revealed a hemoglobin A1c (HbA1c) of 7.8%, which is elevated above the normal reference range of less than 5.7%. His body mass index (BMI) was recorded at 28 kg/m², which is classified as high (overweight), above the normal range of 18.5–24.9 kg/m².
He has been prescribed metformin hydrochloride 500 mg oral tablet, to be taken 500 mg twice daily with meals by oral route, for the management of his Type 2 diabetes mellitus. This medication order is currently active.
Comparison8 issues
Missing information:
- type 2 diabetes mellitus was diagnosed last month relative timing not preserved in the reconstruction
Hallucinated:
- without complications added to diagnosis not stated in original
- labvital sign collection date added as june 1 2025 not stated in original
- specific diagnosis onset date of may 1 2025 fabricated original only states last month
- specific lab results date of june 1 2025 fabricated no date provided in original
- diagnosis described as confirmed and currently active status not stated in original
- normal reference range for hba1c 57 added not stated in original
- diagnosis date of may 1 2025 added
Reconstructed text
John Smith is a male born in 1981. He has a confirmed, active history of no known drug allergies (NKDA).
He carries an active, confirmed diagnosis of Type 2 diabetes mellitus, with onset documented as February 2026. On 2026-03-09, laboratory testing showed hemoglobin A1c (HbA1c) 7.8%. On the same date, his recorded BMI was 28 kg/m².
Treatment includes an active medication order for metformin hydrochloride 500 mg oral tablet, authored 2026-03-09, with instructions to take 500 mg by mouth twice daily with meals (oral route; dose 500 mg per dose; frequency 2 times daily).
Comparison8 issues
Missing information:
- patient age stated as 45yearold
Hallucinated:
- specific date 20260309 for lab results bmi and medication order fabricated not in original
- specific onset date of february 2026 for type 2 diabetes fabricated original only states last month
- birth year 1981 fabricated original only states age 45
- birth year added born in 1981 not present in the original scenario
- birth year 1981 added
- onset date february 2026 added
- metformin specified as hydrochloride oral tablet
Cross LLM Tests
Reconstructed text
John Smith, a 45-year-old male, has been diagnosed with Type 2 diabetes mellitus, which is currently active. His medication regimen includes Metformin hydrochloride, prescribed as a 500mg oral tablet to be taken twice daily with meals. Recent laboratory results indicate that his Hemoglobin A1c level is 7.8%, and his Body Mass Index (BMI) is 28 kg/m². Additionally, it is noted that Mr. Smith has no known drug allergies.
Comparison6 issues
Missing information:
- diagnosis was made last month timing of diagnosis not mentioned
- timing of diagnosis originally stated he was diagnosed with type 2 diabetes mellitus last month
Hallucinated:
- metformin specified as metformin hydrochloride when original only states metformin
- formulation specified as oral tablet which is not stated in the original
- diabetes described as currently active activity status not stated in the original scenario
- medication specified as metformin hydrochloride and as a 500mg oral tablet salt form and dosage form not specified in the original
Reconstructed text
John Smith is a male born in 1981 with no known drug allergies. He has an active, confirmed diagnosis of Type 2 diabetes mellitus without complications, with an onset in February 2026. During a clinical encounter on March 9, 2026, his Body Mass Index (BMI) was recorded at 28 kg/m2, and his Hemoglobin A1c (HbA1c) laboratory result was 7.8%. On the same day, he was prescribed Metformin hydrochloride 500 mg oral tablets to manage his diabetes. The dosage instructions are to take 500 mg by mouth twice daily with meals.
Comparison11 issues
Missing information:
- stated age of 45 years reconstruction gives birth year but does not explicitly state the patient is 45 years old
- timing that the type 2 diabetes mellitus diagnosis occurred last month relative timing is not preserved as stated in the original
- explicit age of 45 years old
Hallucinated:
- specific clinical encounter date of march 9 2026 fabricated not in original
- birth year 1981 fabricated original only states age 45
- without complications added to the diabetes diagnosis not specified in original
- specific diagnosis onset date of february 2026 fabricated original only states last month
- onset of diabetes specified as february 2026 no onset monthyear provided in the original
- birth year 1981 added
- diagnosis specified as without complications
- diagnosis onset specified as february 2026
Reconstructed text
John Smith is a 47-year-old male (MRN: 12345) with no known drug allergies. He has a confirmed, active diagnosis of Type 2 Diabetes Mellitus, with onset on April 1, 2023. He is currently prescribed Metformin 500 mg orally twice daily with meals. Laboratory results from April 15, 2023, showed a Hemoglobin A1c of 7.8%, indicating suboptimal glycemic control. His body mass index (BMI) at that time was 28 kg/m², placing him in the overweight category.
Comparison11 issues
Missing information:
- diagnosis was described as occurring last month relative timing
Hallucinated:
- age changed from 45 to 47
- specific diabetes onset date of april 1 2023 fabricated
- mrn 12345 fabricated not in original
- medical record number mrn 12345 added not present in original
- diabetes onset date of april 1 2023 added original only states diagnosed last month no specific date
- hba1c lab date of april 15 2023 added original provides no date for the hba1c
- interpretation that hba1c 78 is indicating suboptimal glycemic control added original reports value only
- bmi contextualized as at that time and categorized as overweight added original only states bmi is 28
- mrn 12345 added
- laboratory results date april 15 2023 added
Reconstructed text
John Smith is a male born in 1980. He has a confirmed, active diagnosis of type 2 diabetes mellitus (SNOMED 44054006; ICD-10-CM E11) with onset documented as 2025-06-01. For diabetes management, he has an active medication order for metformin hydrochloride 500 mg oral tablet, prescribed as 500 mg twice daily with meals (frequency 2 times/day; timing noted with meals). This medication is listed with the diabetes diagnosis as the reason for therapy.
On 2025-07-01, laboratory testing showed hemoglobin A1c 7.8%, interpreted as high, with a referenced normal range of < 5.7%. On the same date, vital signs documentation included BMI 28 kg/m², also interpreted as high, with a stated normal BMI range of 18.5–24.9 kg/m².
Allergy documentation indicates no known drug allergies (NKDA), recorded as active and confirmed. No appointments or scheduling details are included in the provided records.
Comparison16 issues
Missing information:
- age explicitly stated as 45 years old
- timing of diabetes diagnosis described as last month
- explicit statement of age 45
Hallucinated:
- specific diagnosis onset date 20250601 fabricated original only says last month
- hba1c interpretation as high with reference range 57 added not in original
- birth year 1980 fabricated original only states age 45
- specific laboratoryvitals date 20250701 fabricated not stated in original
- birth year added born in 1980 which is not stated in the original
- specific lab date for hba1c given as 20250701 original provides no test date only latest
- bmi measurement date implied as 20250701 original provides bmi but no date
- added codingdetails not present in the original snomed 44054006 icd10cm e11 status descriptors like confirmedactive
- added labvital interpretation and reference ranges hba1c flagged high with normal 57 bmi flagged high with normal 185249 not present in the original
- allergy status qualifiers added nkda recorded as active and confirmed not present in the original
- birth year 1980 added
- snomed 44054006 and icd10cm e11 codes added
- specific encounterlab date of 20250701 added